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java练习：成绩等级划分

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  • Post category:java


package learnjava;

import java.util.Scanner;

/****
 * 成绩等级划分 >= 90 A >=80 B >=60 C < 60 D
 * 
 * @author Administrator
 *
 *         分数范围： 0 - 100 需要两个判断
 */

public class Demo4 {
	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
		System.out.println("请输入分数：");
		double score = scanner.nextDouble();
		scanner.close();

		if (score < 0 || score > 100) {
			System.out.println("输入的分数不在0-100之间，不符合要求");
		} else if (score >= 90) {
			System.out.println("A");

		} else if (score >= 80) {
			System.out.println("B");

		} else if (score >= 60) {
			System.out.println("C");
		} else {
			System.out.println("D");

		}
	}
}


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